Thermal pack



FIG. 1 is a front elevation view of a thermal pack showing the new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a top elevation view thereof;

FIG. 4 is a bottom elevation view thereof;

FIG. 5 is a right-side elevation view thereof;

FIG. 6 is a left-side elevation view thereof; and,

FIG. 7 is a perspective view thereof.

The spheres or beads illustrated in the drawings are drawn so as to appear as transparent or semi-transparent, and the contour lines depicted in the drawings depict the surface and contours of the clear or transparent flexible outer pack shell, which encloses the illustrated spheres or beads. Structure illustrated in broken lines is not otherwise part of the claimed design. 

CLAIM The ornamental design for a thermal pack, as substantially shown and described. 